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RAMSES Has Rubber Stamp

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No surprise: ESA’s Ministerial Council approved (officially…) the RAMSES mission. While meeting this week (26-27 Nov… US holiday), the European Space Agency’s Council of Ministers officiated Agency matters. RAMSES is now on track to rendezvous with Apophis in ~2029, partly… Read More »RAMSES Has Rubber Stamp

ATLAS Hindustan-Tracking

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More reports on our extrasolar boulder: Astrophysics > Earth and Planetary Astrophysics  www.arxiv.org/abs/2511.16247[Submitted on 20 Nov 2025]Ahuja, G. Ganesh, S.  Dynamical simulation of the Interstellar Comet 3I/ATLAS Using Newton’s laws (plus a little of Kepler’s), with the path of the comet… Read More »ATLAS Hindustan-Tracking

3I/ATLAS Bi-‘Gram

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Posted to Astronomers’ Telegram last week, two more short reports: ATel #17503,  www.astronomerstelegram.org/?read=17503 Bolin, B. Wong, I. Lemaux, B. et al.  Gemini pre-perihelion detection of CN/C3/C2 gas emission and dust fans in interstellar comet 3I/ATLAS  on 20 Nov 2025; 02:37 UTATel #17502;  www.astronomerstelegram.org/?read=17502Ganesh,… Read More »3I/ATLAS Bi-‘Gram

Note, Paper: Impact Back-Calc

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In International Journal of Impact Engineering for November (volume 205): Kurosaki, K. Kurosawa, K. Arakawa, M.  Ejection angles during hypervelocity impacts on flat and spherical targets investigated with shock physics modeling  Art 105400  .2025.105400 DART! DART is the hypervelocity impact,… Read More »Note, Paper: Impact Back-Calc

Interstellar Telegram-Slam (3I)

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New posts from Astronomers’ Telegram: www.astronomerstelegram.org/?read=17490Jewitt, D. Luu, J.  3I/ATLAS Still Single  ATel #17490;  11 Nov 2025; 19:55 UT www.astronomerstelegram.org/?read=17499Pisano, D. J. Smirnov, O. M. Ivchenko, M. et al.  Further MeerKAT observations of 1665/1667 MHz OH in absorption and emission, and a technosignature… Read More »Interstellar Telegram-Slam (3I)

PRIMA Phase A Ways Elaborated

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Posted in arXiv, a non-peer reviewed paper, by choice. These preprint servers are also handy for distribution of whitepapers, position papers, and reference works: [multiple fields] www.arxiv.org/pdf/2511.10927 Moullet, A. Burgarella, D. Kataria, T. et al.  PRIMA General Observer Science Book Volume… Read More »PRIMA Phase A Ways Elaborated

3I Light Curve Blurb

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Quickly: ApJL (Astrophysical Journal, Letters), the fast(er…)-response medium of Astrophysical Journal, now includes (vol. 994 #1, Nov 20): Jewitt, D. Luu, J.  Preperihelion Development of Interstellar Comet 3I/ATLAS  L3 This is the “print” (official, as opposed to preprint) of their… Read More »3I Light Curve Blurb